With a new version of scikit-learn (at 1.7.2, as of Sept 9), running AIF360 results in an AttributeError due to scikit-learn. Specifying version 1.5.2 in the installation of AIF360 (!pip install scikit-learn==1.5.2 aif360==0.6.1) resolves this issue, so it seems as if it may be incompatible with the latest version of scikit-learn.
With a new version of scikit-learn (at 1.7.2, as of Sept 9), running AIF360 results in an AttributeError due to scikit-learn. Specifying version 1.5.2 in the installation of AIF360 (!pip install scikit-learn==1.5.2 aif360==0.6.1) resolves this issue, so it seems as if it may be incompatible with the latest version of scikit-learn.